Topic : "Energy"

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Facts

While using energy from sunlight, plants turn carbon dioxide into food in a process called photosynthesis.

while , using , energy
Facts

The energy required to cycle at low to medium speeds is roughly the same as the energy required to walk.

energy , required , cycle
Facts

During chemical reactions, chemical energy is often transformed into light or heat.

chemical , energy
Facts

Plants use energy from sunlight during an important process called photosynthesis.

plants , use , energy
Facts

The law of conservation of energy states that energy can only be transformed, it can't be created or destroyed.

law , conservation , energy
Facts

Energy can be transformed from one form to another. In lightning, electric potential energy transforms into light, heat and sound energy.

energy , transformed , form
Facts

Kinetic energy refers to the energy an object has because of its movement. A car in motion has kinetic energy, as does a basketball when you pass or shoot it.

kinetic , energy
Facts

Most types of energy are either a form of kinetic energy or potential energy.

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Facts

The word energy comes from the Greek word energeia.

word , energy , greek
Facts

The Sun creates energy through the nuclear fusion of hydrogen nuclei into helium.

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Facts

Around 6% of the world's energy and 14% of the world's electricity is produced by nuclear power.

around , energy , electricity
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Energy from food is usually measured in joules or calories.

energy , food , measured
Facts

The world's biggest source of energy for producing electricity comes from coal. The burning of coal in furnaces heats boiler water until it becomes steam which then spins turbines attached to generators.

biggest , source , energy
Facts

Electric potential energy is measured in volts.

electric , potential , energy
Facts

Wind can provide energy through the use of wind turbines.

wind , provide , energy